<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>发布动态</title>
</head>
<body>
    <form action="post_submit.php" method="POST" enctype="multipart/form-data">
        <textarea name="content" placeholder="编写动态..." required></textarea>
        <input type="file" name="image" accept="image/*">
        <button type="submit">发布</button>
    </form>
</body>
</html>